bootm: refactor fdt locating and relocation code

Move the code that handles finding a device tree blob and relocating
it (if needed) into common code so all arch's have access to it.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/image.h b/include/image.h
index b8577a0b12..653cbc6ce3 100644
--- a/include/image.h
+++ b/include/image.h
@@ -223,6 +223,11 @@ typedef struct bootm_headers {
 
 	ulong		rd_start, rd_end;/* ramdisk start/end */
 
+#ifdef CONFIG_OF_LIBFDT
+	char		*ft_addr;	/* flat dev tree address */
+#endif
+	ulong		ft_len;		/* length of flat device tree */
+
 	int		verify;		/* getenv("verify")[0] != 'n' */
 	struct lmb	*lmb;		/* for memory mgmt */
 } bootm_headers_t;
@@ -273,6 +278,14 @@ ulong genimg_get_image (ulong img_addr);
 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
 		uint8_t arch, ulong *rd_start, ulong *rd_end);
 
+
+#ifdef CONFIG_OF_LIBFDT
+int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images,
+		char **of_flat_tree, ulong *of_size);
+int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
+		char **of_flat_tree, ulong *of_size);
+#endif
+
 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
 		  ulong *initrd_start, ulong *initrd_end);